Smart Car Radiator Fan Relay

Most cooling fans use electric motors that have a moderate to high current draw and as a result are commonly controlled using relays.

Smart car radiator fan relay.

It is a 25a fuse. Truck rv car modification fan parts eelectric cooling radiator fan accessories. By using a lower voltage signal to control the relay there is less stress on the rest of the wiring and charging system. If the fan is not turning in the right direction air will be blown away from the radiator and will not help to.

In normal operation the 12 volts comes from the ignition switch to the thermostat. A team performance electric cooling radiator fan relay kit with thermostat installation hardware wiring set 180 to 200 degrees temp sensor temperature switch 40 amp relay 4 2 out of 5 stars 70 14 99 14. If it is a on off sensor you can use it for your second rad fan or use the output to the existing fan to drive a relay and your add on. Basically this circuit uses the very low impedance of the starter solenoid to provide a ground to the relay coil.

I was hoping you d notice this bill considering your recent additional rad fan topic. How to wire a relay for a radiator fan by don bowman. What do the relays power. Dual electric engine cooling fan wiring harness 185 165 thermostat 40a.

If the car is hot the thermostat will switch on sending that 12 volts to one side of the relay coil. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. This shows the single relay on the back of pcb 3 and there are 2 relays over on pcb 4. The cooling fan relay is the relay that controls the engine s cooling fans.

Evilution the smart car encyclopaedia full of information for fixing and modifying your smart car. Electric cooling radiator fan accessory w mounting feet car modification fan kit. Work in progress. When the correct parameters are met a temperature switch or.